<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName }}
              <span @click="removeQuery">x</span>
            </li>
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}
              <span @click="removeKeyword">x</span>
            </li>
            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1] }}
              <span @click="removeTrademark">x</span>
            </li>
            <li
              class="with-x"
              v-for="(attr, index) in searchParams.props"
              :key="attr"
            >
              {{ attr.split(":")[1] }}
              <span @click="removePoros(index)">x</span>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector
          :trademarkList="trademarkList"
          :attrsList="attrsList"
          @getTmInfo="getTmInfo"
          @getProps="getProps"
        />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li
                  :class="
                    searchParams.order.split(':')[0] === '1' ? 'active' : ''
                  "
                  @click="selectOrder('1')"
                >
                  <a
                    >综合<i
                      class="iconfont"
                      v-show="searchParams.order.split(':')[0] === '1'"
                      :class="{
                        'icon-up': searchParams.order.split(':')[1] === 'asc',
                        'icon-down':
                          searchParams.order.split(':')[1] === 'desc',
                      }"
                    ></i
                  ></a>
                </li>
                <li
                  :class="
                    searchParams.order.split(':')[0] === '2' ? 'active' : ''
                  "
                  @click="selectOrder('2')"
                >
                  <a
                    >价格<i
                      class="iconfont"
                      v-show="searchParams.order.split(':')[0] === '2'"
                      :class="{
                        'icon-up': searchParams.order.split(':')[1] === 'asc',
                        'icon-down':
                          searchParams.order.split(':')[1] === 'desc',
                      }"
                    ></i
                  ></a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="good in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link
                      :to="{
                        name: 'detail',
                        params: {
                          skuId: good.id,
                        },
                      }"
                      ><img v-lazy="good.defaultImg" />
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a href="###">{{ good.title }}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <Pagination
            :totalPages="totalPages"
            :continuePages="continuePages"
            :pageNo="searchParams.pageNo"
            @changePageNo="changePageNo"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { reqSearchList } from "@/api";
import SearchSelector from "./SearchSelector/SearchSelector";
export default {
  name: "Search",
  components: {
    SearchSelector,
  },
  data() {
    return {
      // 搜索参数对象初始值
      searchParams: {
        category1Id: null,
        category2Id: null,
        category3Id: null,
        categoryName: "",
        keyword: "",
        order: "1:desc", //综合是1 价格是2  升序是asc 降序是desc
        pageNo: 1, // 当前页
        pageSize: 100, // 每页数据条数
        props: [],
        trademark: "",
      },
      attrsList: [],
      goodsList: [],
      trademarkList: [],
      totalPages: 0, // 数据的总页数
      continuePages: 3, // 连续页的个数
    };
  },
  mounted() {
    // 1.初始化进入的时候纪要获取路由地址携带的参数
    this.initSearchParams();

    // 2.初始化请求搜索详情数据
    this.getSearchList();
  },
  methods: {
    async getSearchList() {
      try {
        const re = await reqSearchList(this.searchParams);
        // console.log(re, "searchParams");
        // 获取数据
        this.attrsList = re.attrsList;
        this.goodsList = re.goodsList;
        this.trademarkList = re.trademarkList;
        this.totalPages = re.totalPages;
      } catch (e) {
        alert(e.message);
      }
    },

    // 2.在请求获取路由地址内地址参数的方法
    initSearchParams() {
      // 1.获取query参数
      const { category1Id, category2Id, category3Id, categoryName } =
        this.$route.query;
      // 2.获取params参数
      const { keyword } = this.$route.params;
      // 把获取到的参数和初始的searchParams合并
      this.searchParams = {
        ...this.searchParams,
        category1Id,
        category2Id,
        category3Id,
        categoryName,
        keyword,
      };
    },

    // 3.删除query参数的面包屑导航
    removeQuery() {
      // 直接删除searchParams中的id和name(只要categoryName没有值了,则面包屑就会消失,只要searchParams修改了,则会重新发送请求)
      this.searchParams = {
        ...this.searchParams,
        category1Id: null,
        category2Id: null,
        category3Id: null,
        categoryName: "",
      };
      //因为把params的参数删除了,所以我们路由的地址也要发生变化(重新导航即可)
      //我们需要把可能存在的params参数保留,只是删除了query
      const params = this.$route.params;
      this.$router.push({
        name: "search",
        params,
      });
    },

    // 4.删除keyword面包屑导航参数
    removeKeyword() {
      // 先把searchParams参数修改
      this.searchParams.keyword = "";

      // 重新进行路由导航
      const query = this.$route.query;
      this.$router.push({
        name: "search",
        query,
      });
      // 通知Header组件清空keyword
      this.$bus.$emit("clearKeyword");
    },
    // 5.接收品牌信息的自定义事件回调函数
    getTmInfo(tmInfo) {
      // 修改params参数
      this.searchParams.trademark = tmInfo;
    },
    // 6.删除品牌的面包屑导航的事件函数
    removeTrademark() {
      // 修改params参数
      this.searchParams.trademark = "";
    },
    // 7.接收attr平台属性的自定义事件回调函数
    getProps(props) {
      // 可能点击的是相同的值，每次点击的时候，都会插入，我们可以做一个判断，来判断原来的数组中是否有值
      if (this.searchParams.props.includes(props)) return;
      // 修改params参数
      this.searchParams.props.push(props);
    },
    // 8.props的面包屑导航参数删除事件
    removePoros(index) {
      this.searchParams.props.splice(index, 1);
    },
    // 9.点击排序事件函数
    selectOrder(type) {
      // 先判断排序的是价格还是综合，来决定下一步操作
      const oldType = this.searchParams.order.split(":")[0];
      const oldOrder = this.searchParams.order.split(":")[1];
      // 如果本次点击的类型是和之前一样的，则直接让排序规则取反
      if (type === oldType) {
        // 拼接新的order值
        const newOrder = type + ":" + (oldOrder === "desc" ? "asc" : "desc");
        // 修改参数
        this.searchParams.order = newOrder;
      } else {
        const newOrder = type + ":" + "desc";
        this.searchParams.order = newOrder;
      }
    },
    // 10.收来自页码pagination组件传递过来的当前页的值
    changePageNo(newPage) {
      this.searchParams.pageNo = newPage;
    },
  },
  watch: {
    // 1.监听动态路由的参数变化
    $route() {
      // 重新获取路由信息改变searchParams参数
      this.initSearchParams();
    },

    // 2.监听搜素参数的改变，重新发送请求
    searchParams: {
      deep: true,
      handler() {
        // 重新请求搜索详情参数
        this.getSearchList();
      },
    },
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>